package com.itheima.mapper;

import com.itheima.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {
    /**
     * 查询所有部门
     */
    @Select("select id, name, create_time, update_time from dept")
    List<Dept> selectAll();

    /**
     * 根据id删除部门
     */
    @Delete("delete from dept where id = #{id}")
    int deleteById(Integer id);

    /**
     * 保存部门
     */
    @Insert("insert into dept (name,create_time,update_time) values (#{name},#{createTime},#{updateTime})")
    int insert(Dept dept);

    /**
     * 更新部门
     */
    @Update("update dept set name = #{name}, create_time = #{createTime}, update_time = #{updateTime} where id= #{id}")
    int update(Dept dept);

    /**
     * 根据ID查询部门数据
     */
    @Select("select id, name, create_time, update_time from dept where id = #{id}")
    Dept selectById(Integer id);
}